Two new studies from Johns Hopkins University are providing scientists with an unprecedented view of how human cells repair one of the most dangerous forms of genetic damage: a break that severs both ...
At the scale of individual cells, the human body is constantly in motion. Every second, millions of cells divide, particularly in tissues such as the bone marrow, intestine and skin; neurons and heart ...
Researchers have captured the moment two DNA molecules zip together, overcoming their identical negative charges to pair up ...
A molecular illustration of the crowded interior and cell envelope of Escherichia coli. (David S. Goodsell, The Scripps Research Institute) To replicate information, life usually has fairly ...
Scientists have directly observed how two negatively charged DNA molecules can pair up despite normally repelling each other. Positively charged metal ions appear to bridge the gap, helping matching ...
When you think of viruses, you probably think of flu-like symptoms and quarantines. Humankind has suffered from viral ...
After an injury, DNA not only alters its activity but also the way it is organized spatially within the cell nucleus.